Click the GREEN FLAG and use the ARROW keys to move the pencil. DRAWING PROGRAM FUNCTIONALITY KEY FUNCTION U Pen Up D Pen Down E Erase All R Change Color to RED B Change Color to BLUE G Change Color to GREEN W Change Color to WHITE K Change Color to BLACK Y Change Color to YELLOW P Change Color to PURPLE 1 Change Pen Size to 1 5 Change Pen Size to 5 9 Change Pen Size to 9 S Draw SQUARE Q Draw Diagonal to Upper Left E Draw Diagonal to Upper Right C Draw Diagonal to Lower Right Z Draw Diagonal to Lower Left